@article { ISI:000282106400002, title = {Concise synthesis of (2S,3S,4S)-2-(Hydroxymethyl)pyrrolidine-3,4-diol (LAB1)}, journal = {Synthesis-Stuttgart}, number = {18}, year = {2010}, month = {SEP}, pages = {3063-3066}, publisher = {GEORG THIEME VERLAG KG}, address = {RUDIGERSTR 14, D-70469 STUTTGART, GERMANY}, abstract = {

The synthesis of (2S,3S,4S)-2-(hydroxymethyl)pyrrolidine-3,4-diol (LAB1) from Garner{\textquoteright}s aldehyde is described using the Sharpless asymmetric dihydroxylation as the key step.

}, keywords = {alkaloid, azasugars, diastereoselectivity, Garner{\textquoteright}s aldehyde, pyrrolidine, Wittig reaction}, issn = {0039-7881}, doi = {10.1055/s-0030-1258185}, author = {Upadhyay, Puspesh K. and Kumar, Pradeep} } @article { ISI:000281783500005, title = {Short and efficient synthesis of (S)-(+)-2-(Hydroxymethyl)-6-piperidin-2-one}, journal = {Synthesis-Stuttgart}, number = {15}, year = {2010}, month = {AUG}, pages = {2512-2514}, publisher = {GEORG THIEME VERLAG KG}, address = {RUDIGERSTR 14, D-70469 STUTTGART, GERMANY}, abstract = {

A concise synthesis of (S)-(+)-2-(hydroxymethyl)-6-piperidin-2-one is described that employs L-aspartic acid as chiral pool starting material and Wittig reaction as the key step.

}, keywords = {Amino acid, Hydrogenation, L-aspartic acid, pipecolate, piperidone, Wittig reaction}, issn = {0039-7881}, doi = {10.1055/s-0029-1218823}, author = {Upadhyay, Puspesh K. and Kumar, Pradeep} } @article { ISI:000335152300007, title = {Croncise organocatalytic route to protected (2S, 4R)-4-hydroxyornithine and(+)-pseudohygroline}, journal = {Synlett}, volume = {25}, number = {8}, year = {2014}, month = {MAY}, pages = {1089-1092}, publisher = {GEORG THIEME VERLAG KG}, address = {RUDIGERSTR 14, D-70469 STUTTGART, GERMANY}, abstract = {

A practical, efficient, and organocatalytic approach to the synthesis of (2S,4R)-4-hydroxyornithine and (+)-pseudohygroline is reported using proline-catalyzed sequential alpha-aminoxylation/alpha-amination reaction and Horner-Wadsworth-Emmons olefination reaction of an aldehyde as the key step.

}, keywords = {aldehydes, Amination, Amino alcohols, cyclization, Enantioselectivity, Wittig reaction}, issn = {0936-5214}, doi = {10.1055/s-0033-1340977}, author = {Jha, Vishwajeet and Kumar, Pradeep} }